The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Web wide crawl with initial seedlist and crawler configuration from October 2010
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110106223005/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/binary
The Binary system is a numerical system with only two digits and all computers use it to function. It is favoured because the switches inside a computer can be either on or off (1 or 0) in order to work correctly.